Table 1.
Baseline data of the study population: only patients who answered the questionnaire are included
| Centers |
P value | |||||
|---|---|---|---|---|---|---|
| All (N = 417) | Le Mans (n = 128) | Cagliari (n = 136) | Paris (n = 44) | Pavia (n = 109) | ||
| % of questionnaires retrieved | 87.8 | 93.4 | 96.4 | 54.3 | 94.0 | |
| Age, median (min-max) | 69 (16–94) | 70 (16–94) | 67 (22–93) | 52 (27–86) | 73 (31–93) | <0.001 |
| Gender (woman), % | 39.8 | 43.0 | 40.4 | 36.4 | 36.7 | 0.750 |
| Charlson Comorbidity Index, median (min-max) | 7 (2–16) | 8 (2–16) | 7 (2–16) | 6 (2–12) | 6 (2–13) | 0.007 |
| Patients born in a country other than the one of residence, n (%) | 51 (12.2) | 26 (20.3) | 2 (1.5) | 18 (40.9) | 5 (4.6) | <0.001 |
| Education level, n (%) | <0.001 | |||||
| Illiterate | 7 (1.7) | 3 (2.3) | 3 (2.2) | 1 (2.3) | 0 | |
| Primary to middle school | 238 (57.0) | 75 (58.6) | 67 (49.3) | 6 (13.6) | 90 (82.6) | |
| Secondary school | 104 (24.9) | 33 (25.8) | 49 (36.0) | 15 (34.1) | 7 (6.4) | |
| University | 68 (16.3) | 17 (13.3) | 17 (12.5) | 22 (50.0) | 2 (11.0) | |
| Local language understanding, n (%) | 0.666 | |||||
| 3: Some difficulty | 2 (0.5) | 1 (0.8) | 0 | 0 | 1 (0.9) | |
| 4: Almost complete understanding | 7 (1.7) | 3 (2.3) | 1 (0.7) | 0 | 3 (2.8) | |
| 5: Near–native speaker competence/bilingual | 408 (97.8) | 124 (96.9) | 135 (99.3) | 44 (100) | 105 (96.3) | |
| Activity, n (%) | <0.001 | |||||
| Student | 6 (1.5) | 2 (1.6) | 4 (2.9) | 0 | 0 | |
| Unemployed | 76 (18.2) | 30 (23.4) | 24 (17.7) | 12 (27.3) | 10 (9.2) | |
| Working full or part time | 66 (15.8) | 3 (2.3) | 29 (21.3) | 18 (40.9) | 16 (14.7) | |
| Retired | 269 (64.5) | 93 (72.7) | 79 (58.1) | 14 (31.8) | 83 (76.1) | |
| Primary kidney disease, n (%) | 0.025 | |||||
| Glomerulonephritis / systemic disease | 80 (19.2) | 22 (17.2) | 29 (21.3) | 11 (25.0) | 18 (16.5) | |
| Nephroangiosclerosis/diabetes | 91 (21.8) | 42 (32.8) | 22 (16.2) | 7 (15.9) | 20 (18.4) | |
| Polycystic kidney disease | 38 (9.1) | 9 (7.0) | 9 (6.6) | 4 (9.1) | 16 (14.7) | |
| Other | 208 (49.9) | 55 (43.0) | 76 (55.9) | 22 (50.0) | 55 (50.5) | |
| Renal replacement therapy vintage, yr, median (min-max) | 3 (0–47) | 2 (0–47) | 3 (0–41) | 5 (0–30) | 3 (0–33) | <0.001 |
| Type of dialysis, n (%) | <0.001 | |||||
| Peritoneal dialysis | 56 (13.4) | — | 56 (41.2) | — | — | |
| Hemodialysis | 337 (80.8) | 128 (100) | 80 (58.8) | 20 (45.5) | 109 (100) | |
| Home hemodialysis | 24 (5.8) | — | — | 24 (54.5) | 0 | |
| Previous kidney transplant, n (%) | 48 (11.5) | 9 (7.0) | 24 (17.7) | 5 (11.4) | 10 (9.2) | 0.043 |
| Vaccine hesitancy (refusal and undecided), n (%) | 79 (18.9) | 22 (17.2) | 26 (19.1) | 13 (29.6) | 18 (16.5) | 0.273 |
| Vaccine refusal (refusal only), n (%) | 47 (11.3) | 21 (16.4) | 10 (7.4) | 11 (25.0) | 5 (4.6) | <0.001 |
P values in bold indicate significance.